diff --git a/.dockerignore b/.dockerignore
index eae2fec0..5585c60f 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,2 +1,6 @@
 .cosa
+_kola_temp
+docs
+ci
+hack
 target
diff --git a/hack/Containerfile b/hack/Containerfile
new file mode 100644
index 00000000..778e5e0d
--- /dev/null
+++ b/hack/Containerfile
@@ -0,0 +1,13 @@
+# This container build is just a demo effectively; it shows how one might
+# build bootc in a container flow, using Fedora ELN as the target.
+FROM quay.io/centos-bootc/fedora-bootc:eln as build
+RUN dnf config-manager --set-enabled eln-crb && dnf -y install cargo ostree-devel openssl-devel && dnf clean all
+COPY . /build
+WORKDIR /build
+# See https://www.reddit.com/r/rust/comments/126xeyx/exploring_the_problem_of_faster_cargo_docker/
+# We aren't using the full recommendations there, just the simple bits.
+RUN --mount=type=cache,target=/build/target --mount=type=cache,target=/var/roothome make bin-archive && mkdir -p /out && cp target/bootc.tar.zst /out
+
+FROM quay.io/centos-bootc/fedora-bootc:eln
+COPY --from=build /out/bootc.tar.zst /tmp
+RUN tar -C / --zstd -xvf /tmp/bootc.tar.zst && rm -vf /tmp/*